Re: [Caml-list] a quick question on camlp4

["Alexander V.Voinov" <avv@quasar.ipa.nw.ru>]

From: Daniel de Rauglaudre <daniel.de_rauglaudre@inria.fr>
Subject: Re: [Caml-list] a quick question on camlp4
Date: Thu, 17 Oct 2002 18:55:17 +0200

> Hi,
> 
> On Thu, Oct 17, 2002 at 09:28:31AM -0700, Alexander V.Voinov wrote:
> 
> > Is it possible to eliminate the keyword 'function' from this,
> > that is to implement an extension like:
> > 
> > iterate <list> with <pat1> -> <expr1> | <pat2> -> <expr2> ...
> 
> Not a problem to keep 'function' since it is already a keyword in
> OCaml (normal syntax).
> 
> > I'm asking this just because I don't have time now to investigate
> > this by my own :-).
> 
> What do you ask, exactly? 

I was wondering if it was really possible to go deeper into the syntax tree
and recreate the function body out of the <pat> -> <expr> pieces.

Since you implemented your "iterate"
> extension, I suppose that you know how to use Camlp4. 

It was a direct analog of the Pascal 'repeat' example. :-) I didn't go
any further that time.

> What is the
> difficulty to implement your "fold"?

Better knowledge of camlp4 :-). From your remark I understand that it's
possible. Thank you!

Alexander
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